From: Thomas Zimmermann <tzimmermann@suse.de> To: Sakari Ailus <sakari.ailus@linux.intel.com>, dri-devel@lists.freedesktop.org Cc: linux-media@vger.kernel.org, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, linux-kernel@vger.kernel.org, Petr Mladek <pmladek@suse.com>, Dave Stevenson <dave.stevenson@raspberrypi.com>, hverkuil@xs4all.nl, laurent.pinchart@ideasonboard.com, mchehab@kernel.org, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>, Steven Rostedt <rostedt@goodmis.org>, Joe Perches <joe@perches.com>, Jani Nikula <jani.nikula@linux.intel.com>, Rasmus Villemoes <linux@rasmusvillemoes.dk>, Daniel Vetter <daniel@ffwll.ch> Subject: Re: [PATCH v9 0/4] Add %p4cc printk modifier for V4L2 and DRM fourcc codes Date: Wed, 17 Feb 2021 13:14:42 +0100 [thread overview] Message-ID: <9e279133-298d-433f-0694-5366861a6dbe@suse.de> (raw) In-Reply-To: <20210216155723.17109-1-sakari.ailus@linux.intel.com> [-- Attachment #1.1: Type: text/plain, Size: 4746 bytes --] Hi Am 16.02.21 um 16:57 schrieb Sakari Ailus: > Hi all, > > On merging --- it would seem everyone is happy with merging this > through the drm-misc tree. The last patch should wait until all > users are gone for sure, probably to the next kernel release. > There are no users of drm_get_format_name() in linux-next > currently after the 3rd patch. I've merged patches 1 to 3 into drm-misc-next. Patch 4 (and maybe some final fix-up patch) will land when all DRM trees have catched up the changes. Best regards Thomas > > This set adds support for %p4cc printk modifier for printing V4L2 and DRM > fourcc codes. The codes are cumbersome to print manually and by adding the > modifier, this task is saved from the V4L2 and DRM frameworks as well as > related drivers. DRM actually had it handled in a way (see 3rd patch) but > the printk modifier makes printing the format easier even there. On V4L2 > side it saves quite a few lines of repeating different implementations of > printing the 4cc codes. > > Further work will include converting the V4L2 drivers doing the same. I > left these out from this version since individual drivers are easier > changed without dealing with multiple trees. > > Since v8: > > - Reduce ternary conditionals in intel_plane_uapi_info(). > > - Wrap a long line in intel_plane_hw_info(). > > Since v7: > > - Add more examples, one with big endian and another with a space. > > - Add Y10 test format. > > - Use "0123" in the size string for temporary buffer. > > - Added acks. > > - Split the 3rd patch into two: driver changes and removal of > drm_get_format_name(). > > Since v6: > > - Don't drop spaces in fourcc codes. > > - Print unprintable characters as dot ('.') instead of hexadecimal number > in parentheses. > > - Convert DRM from drm_get_format_name() to %p4cc. I wonder if this should > be merged through the DRM tree, albeit it's probably unlikely to > conflict with other changes. Further use of the function could be a > problem. > > - Make tests more realistic. > > Since v5: > > - Added V4L2 core conversion to %p4cc, as well as change the DRM > fourcc printing function to use %p4cc. > > - Add missing checkpatch.pl checks for %p4cc modifier. > > Sakari Ailus (4): > lib/vsprintf: Add support for printing V4L2 and DRM fourccs > v4l: ioctl: Use %p4cc printk modifier to print FourCC codes > drm: Switch to %p4cc format modifier > drm: Remove drm_get_format_name() > > Documentation/core-api/printk-formats.rst | 18 ++++ > drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 5 +- > drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 5 +- > drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 5 +- > drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 5 +- > .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +- > .../arm/display/komeda/komeda_format_caps.h | 11 --- > .../arm/display/komeda/komeda_framebuffer.c | 4 +- > .../gpu/drm/arm/display/komeda/komeda_plane.c | 6 +- > drivers/gpu/drm/arm/malidp_mw.c | 7 +- > drivers/gpu/drm/drm_atomic.c | 8 +- > drivers/gpu/drm/drm_crtc.c | 7 +- > drivers/gpu/drm/drm_fourcc.c | 25 ------ > drivers/gpu/drm/drm_framebuffer.c | 11 +-- > drivers/gpu/drm/drm_mipi_dbi.c | 5 +- > drivers/gpu/drm/drm_plane.c | 8 +- > .../gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 5 +- > drivers/gpu/drm/i915/display/intel_display.c | 14 +-- > .../drm/i915/display/intel_display_debugfs.c | 19 ++--- > drivers/gpu/drm/i915/display/intel_sprite.c | 6 +- > drivers/gpu/drm/mcde/mcde_display.c | 6 +- > drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 6 +- > drivers/gpu/drm/nouveau/nouveau_display.c | 9 +- > drivers/gpu/drm/radeon/atombios_crtc.c | 10 +-- > drivers/gpu/drm/sun4i/sun4i_backend.c | 6 +- > drivers/gpu/drm/vkms/vkms_writeback.c | 7 +- > drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 15 ++-- > drivers/media/v4l2-core/v4l2-ioctl.c | 85 +++++-------------- > include/drm/drm_fourcc.h | 1 - > lib/test_printf.c | 18 ++++ > lib/vsprintf.c | 39 +++++++++ > scripts/checkpatch.pl | 6 +- > 32 files changed, 164 insertions(+), 223 deletions(-) > -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer [-- Attachment #2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 840 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Thomas Zimmermann <tzimmermann@suse.de> To: Sakari Ailus <sakari.ailus@linux.intel.com>, dri-devel@lists.freedesktop.org Cc: Petr Mladek <pmladek@suse.com>, mchehab@kernel.org, Dave Stevenson <dave.stevenson@raspberrypi.com>, Rasmus Villemoes <linux@rasmusvillemoes.dk>, linux-kernel@vger.kernel.org, Steven Rostedt <rostedt@goodmis.org>, hverkuil@xs4all.nl, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>, laurent.pinchart@ideasonboard.com, Joe Perches <joe@perches.com>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, linux-media@vger.kernel.org Subject: Re: [PATCH v9 0/4] Add %p4cc printk modifier for V4L2 and DRM fourcc codes Date: Wed, 17 Feb 2021 13:14:42 +0100 [thread overview] Message-ID: <9e279133-298d-433f-0694-5366861a6dbe@suse.de> (raw) In-Reply-To: <20210216155723.17109-1-sakari.ailus@linux.intel.com> [-- Attachment #1.1.1: Type: text/plain, Size: 4746 bytes --] Hi Am 16.02.21 um 16:57 schrieb Sakari Ailus: > Hi all, > > On merging --- it would seem everyone is happy with merging this > through the drm-misc tree. The last patch should wait until all > users are gone for sure, probably to the next kernel release. > There are no users of drm_get_format_name() in linux-next > currently after the 3rd patch. I've merged patches 1 to 3 into drm-misc-next. Patch 4 (and maybe some final fix-up patch) will land when all DRM trees have catched up the changes. Best regards Thomas > > This set adds support for %p4cc printk modifier for printing V4L2 and DRM > fourcc codes. The codes are cumbersome to print manually and by adding the > modifier, this task is saved from the V4L2 and DRM frameworks as well as > related drivers. DRM actually had it handled in a way (see 3rd patch) but > the printk modifier makes printing the format easier even there. On V4L2 > side it saves quite a few lines of repeating different implementations of > printing the 4cc codes. > > Further work will include converting the V4L2 drivers doing the same. I > left these out from this version since individual drivers are easier > changed without dealing with multiple trees. > > Since v8: > > - Reduce ternary conditionals in intel_plane_uapi_info(). > > - Wrap a long line in intel_plane_hw_info(). > > Since v7: > > - Add more examples, one with big endian and another with a space. > > - Add Y10 test format. > > - Use "0123" in the size string for temporary buffer. > > - Added acks. > > - Split the 3rd patch into two: driver changes and removal of > drm_get_format_name(). > > Since v6: > > - Don't drop spaces in fourcc codes. > > - Print unprintable characters as dot ('.') instead of hexadecimal number > in parentheses. > > - Convert DRM from drm_get_format_name() to %p4cc. I wonder if this should > be merged through the DRM tree, albeit it's probably unlikely to > conflict with other changes. Further use of the function could be a > problem. > > - Make tests more realistic. > > Since v5: > > - Added V4L2 core conversion to %p4cc, as well as change the DRM > fourcc printing function to use %p4cc. > > - Add missing checkpatch.pl checks for %p4cc modifier. > > Sakari Ailus (4): > lib/vsprintf: Add support for printing V4L2 and DRM fourccs > v4l: ioctl: Use %p4cc printk modifier to print FourCC codes > drm: Switch to %p4cc format modifier > drm: Remove drm_get_format_name() > > Documentation/core-api/printk-formats.rst | 18 ++++ > drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 5 +- > drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 5 +- > drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 5 +- > drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 5 +- > .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +- > .../arm/display/komeda/komeda_format_caps.h | 11 --- > .../arm/display/komeda/komeda_framebuffer.c | 4 +- > .../gpu/drm/arm/display/komeda/komeda_plane.c | 6 +- > drivers/gpu/drm/arm/malidp_mw.c | 7 +- > drivers/gpu/drm/drm_atomic.c | 8 +- > drivers/gpu/drm/drm_crtc.c | 7 +- > drivers/gpu/drm/drm_fourcc.c | 25 ------ > drivers/gpu/drm/drm_framebuffer.c | 11 +-- > drivers/gpu/drm/drm_mipi_dbi.c | 5 +- > drivers/gpu/drm/drm_plane.c | 8 +- > .../gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 5 +- > drivers/gpu/drm/i915/display/intel_display.c | 14 +-- > .../drm/i915/display/intel_display_debugfs.c | 19 ++--- > drivers/gpu/drm/i915/display/intel_sprite.c | 6 +- > drivers/gpu/drm/mcde/mcde_display.c | 6 +- > drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 6 +- > drivers/gpu/drm/nouveau/nouveau_display.c | 9 +- > drivers/gpu/drm/radeon/atombios_crtc.c | 10 +-- > drivers/gpu/drm/sun4i/sun4i_backend.c | 6 +- > drivers/gpu/drm/vkms/vkms_writeback.c | 7 +- > drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 15 ++-- > drivers/media/v4l2-core/v4l2-ioctl.c | 85 +++++-------------- > include/drm/drm_fourcc.h | 1 - > lib/test_printf.c | 18 ++++ > lib/vsprintf.c | 39 +++++++++ > scripts/checkpatch.pl | 6 +- > 32 files changed, 164 insertions(+), 223 deletions(-) > -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Maxfeldstr. 5, 90409 Nürnberg, Germany (HRB 36809, AG Nürnberg) Geschäftsführer: Felix Imendörffer [-- Attachment #1.2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 840 bytes --] [-- Attachment #2: Type: text/plain, Size: 160 bytes --] _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2021-02-17 12:15 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-16 15:57 [PATCH v9 0/4] Add %p4cc printk modifier for V4L2 and DRM fourcc codes Sakari Ailus 2021-02-16 15:57 ` Sakari Ailus 2021-02-16 15:57 ` [PATCH v9 1/4] lib/vsprintf: Add support for printing V4L2 and DRM fourccs Sakari Ailus 2021-02-16 15:57 ` Sakari Ailus 2021-02-16 15:57 ` [PATCH v9 2/4] v4l: ioctl: Use %p4cc printk modifier to print FourCC codes Sakari Ailus 2021-02-16 15:57 ` Sakari Ailus 2021-02-16 15:57 ` [PATCH v9 3/4] drm: Switch to %p4cc format modifier Sakari Ailus 2021-02-16 15:57 ` Sakari Ailus 2021-02-16 15:57 ` [PATCH v9 4/4] drm: Remove drm_get_format_name() Sakari Ailus 2021-02-16 15:57 ` Sakari Ailus 2021-02-17 12:14 ` Thomas Zimmermann [this message] 2021-02-17 12:14 ` [PATCH v9 0/4] Add %p4cc printk modifier for V4L2 and DRM fourcc codes Thomas Zimmermann 2021-02-18 7:27 ` Sakari Ailus 2021-02-18 7:27 ` Sakari Ailus
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